Category Archives: reptiles

Readers’ wildlife photos

Reader Mark Heath sent three photos from Mexico: This is a Orange-breasted Bunting, Passerina leclancherii, taken at Playa Chipehua in Oaxaca, Mexico.   A female Oaxacan Spiny-tailed Iguana, Ctenosaura oaxacana, Mexico’s most endangered Iguana. It is endemic to 100 square kilometers of the Isthmus of Tehuantepec, Oaxaca, and it is estimated that only about 2500 breeding […]

Readers’ wildlife photos

Yesterday I posted some photos that reader Michelle de Villiers sent from Botswana. I’ll finish up her contribution here. No IDs were supplied; readers can contribute here. Michelle’s notes: I recently had the good fortune to join in the trip of a lifetime to South Africa and Botswana. Herewith a sampling of pictures taken. None […]

Sue update

by Greg Mayer She’s gone. I was at the Field Museum on Wednesday for the first time since the previous month, and the removal of Sue the Tyrannosaurus rex has been completed. Viewed from the balcony above, visitors walk through Stanley Field Hall, seemingly unaware of the ghostly white outline of Sue’s now departed plinth. […]

Readers’ wildlife photos (and video)

Reader Tim Anderson has some astronomy photos for us: Here are three astrophotographs assembled using my 10″ Newtonian telescope and a monochrome camera using narrowband filters to pick out wavelengths emitted by specific kinds of material. The first is the Horsehead Nebula (officially known as Barnard 33 – Barnard was a fascinating personality, well worth […]

So long, Sue…. see you upstairs!

by Greg Mayer Sue, the iconic Tyrannosaurus rex that has inhabited the Field Museum of Natural History‘s Stanley Field Hall since 2000, is coming down. But, shortly after she comes down, she’ll be going up– upstairs that is.  The Museum announced plans last year to replace Sue in Stanley Field Hall with a model of […]

Snake on a wire

[JAC: In lieu of “readers’ wildlife” today, we have “Mayer’s wildlife”: His disquisition on snake locomotion. Be sure to keep those photos coming in, and don’t worry if you haven’t seen yours yet, as I have them all.] by Greg Mayer Matthew sends the following tweet of a tiger snake making its way along a […]

Readers’ wildlife photos

We have a potpourri of photos today, first from reader Liz Strahle. (All readers’ notes are indented.) These are European starlings, gulls, crows, and Canadian geese. The European or Common starlings [Sturnus vulgaris] are a new bird for me. I took all of these pictures in CT. The European starlings and gulls were in the […]

The surfeit of venomous snakes in Australia

Here, from Facebook, is a list of the world’s most venomous snakes, as measured by the LD50 (the amount of venom it take to kill 50% of a given prey type, expressed as milligrams of venom per kilogram of prey). Note that the top 11 are all from Australia, as are 21 of the top […]

Readers’ wildlife photos (and video)

We have a nice mix of photos and a video today. First, reader Rick Longworth struck up a friendship with an African owl. His notes: A few years ago my wife and I did a flying vacation (rented Cessna)  across South Africa.  We encountered dozens of species, mostly in parks and preserves. We stayed for […]

Readers’ wildlife photos

We have some New Zealand pictures from reader Michael Hannah, whose notes are indented. Hannah is an associate professor of paleontology and evolution at the School of Geography, Environment and Earth Sciences at Victoria University of Wellington. Numbers 1 – 6 were all taken at Pukaha Mt Bruce sanctuary–  I know you visited there on your […]